Würth Elektronik WL-SMTW series horticulture LEDs

Tuesday, 27 October, 2020 | Supplied by: Wurth Electronics Australia Pty

Würth Elektronik’s three WL-SMTW series horticulture LEDs emit light of the wavelengths 450 nm (Deep Blue), 660 nm (Hyper Red) and 730 nm (Far Red), making them suitable for applications controlling plant growth through specific light mixtures. The Deep Blue LED, in particular, plays a role in many plant processes, such as the formation of secondary metabolites. The illumination with spectra individually created from the different wavelengths of monochromatic LEDs is particularly efficient and homogenous with the mid-power LEDs.

Besides vertical farming and lighting in greenhouses, the SMT-mountable LEDs’ efficiency, small size and minimal heat generation make them suitable for classic applications like displays and backlighting. With a photosynthetic photon flux of up to 0.94 µmol/s at a current of just 150 mA, plus a small size of 2.8 x 3.5 x 0.8 mm, users don’t need three mid-power LEDs to replace a high-power LED. This allows large-scale and homogeneous lighting applications to be realised.

The three LEDs form a basic framework in combination with other LEDs of the WL-SMTW, WL-SWTP and WL-SMDC series, so it is possible to create specific lighting recipes for a wide range of the horticulturist’s quality parameters, such as more blossoms, more fruit, more biomass, more vitamins and so on. Würth Elektronik’s accompanying development kit will be useful for developers of horticultural lighting solutions, with the REDEXPERT online simulation platform featuring a ‘Horticulator’ in which lighting recipes can be created.

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